/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package io.skywalking.apm.plugin.ice.v3.define;

import net.bytebuddy.description.method.MethodDescription;
import net.bytebuddy.matcher.ElementMatcher;
import org.apache.skywalking.apm.agent.core.logging.api.ILog;
import org.apache.skywalking.apm.agent.core.logging.api.LogManager;
import org.apache.skywalking.apm.agent.core.plugin.interceptor.ConstructorInterceptPoint;
import org.apache.skywalking.apm.agent.core.plugin.interceptor.InstanceMethodsInterceptPoint;
import org.apache.skywalking.apm.agent.core.plugin.interceptor.StaticMethodsInterceptPoint;
import org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassInstanceMethodsEnhancePluginDefine;
import org.apache.skywalking.apm.agent.core.plugin.match.ClassMatch;
import org.apache.skywalking.apm.agent.core.plugin.match.NameMatch;

import static net.bytebuddy.matcher.ElementMatchers.named;

public class IceV3DispatchInstrumentation extends ClassInstanceMethodsEnhancePluginDefine {
    private static final ILog LOGGER = LogManager.getLogger(IceV3DispatchInstrumentation.class);

    private static final String ENHANCE_CLASS = "com.xikang.ice.common.interceptor.PreDispatchInterceptor";

    private static final String METHOD_INTERCET_CLASS = "io.skywalking.apm.plugin.ice.v3.IceV3DispatchInterceptor";

    @Override
    public ConstructorInterceptPoint[] getConstructorsInterceptPoints() {
        LOGGER.info("IceV3Instrumentation.getConstructorsInterceptPoints执行");
        return null;
    }

    @Override
    public StaticMethodsInterceptPoint[] getStaticMethodsInterceptPoints() {
        LOGGER.info("IceV3Instrumentation.getStaticMethodsInterceptPoints执行");
        return null;
    }

    @Override
    public InstanceMethodsInterceptPoint[] getInstanceMethodsInterceptPoints() {
        LOGGER.info("IceV3Instrumentation.getInstanceMethodsInterceptPoints执行");
        return new InstanceMethodsInterceptPoint[]{
                new InstanceMethodsInterceptPoint() {
                    /**
                     * 定义match function
                     * @return
                     */
                    @Override
                    public ElementMatcher<MethodDescription> getMethodsMatcher() {
                        return named("dispatch");
                    }

                    /**
                     * 定义拦截器方法
                     * @return
                     */
                    @Override
                    public String getMethodsInterceptor() {
                        return METHOD_INTERCET_CLASS;
                    }

                    @Override
                    public boolean isOverrideArgs() {
                        return false;
                    }
                }
        };
    }

    /**
     * 被拦截方法定义
     *
     * @return
     */
    @Override
    protected ClassMatch enhanceClass() {
        LOGGER.info("IceV3Instrumentation.enhanceClass执行");
        return NameMatch.byName(ENHANCE_CLASS);
    }
}
